[Discussion on the revision of Warning Signs for Occupational Hazards in the Workplace (GBZ 155-2003)].

GBZ 158-2003 Warning Signs for Occupational Hazards in the Workplace (hereinafter referred to as GBZ 158) has been issued for more than 20 years, and some of its technical terms have not met the actual work requirements, so it is in urgent need of revision and improvement. This study systematically collected standards or specifications related to warning signs, and on the basis of combing, summarizing and studying the relevant standards and specifications, analyzed and summarized the applicable scope, main contents and technical requirements of the setting standards and specifications of occupational disease hazard warning signs in different workplaces. It proposed that when GBZ 158 was revised, it should enhance the coordination with other standards and specifications related to warning signs, absorb their practical experience, and consider the actual situation of enterprise workplace management, so as to improve the scientificity and operability of the standard.